I Can’t Get That Out of My Memory! A PLC’s Story About Love, Loss, and Triumph- Jeffrey Shearer

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United States SANS Institute
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Published on ● Video Link: https://www.youtube.com/watch?v=Ct2yOelYTbg


Duration: 22:13
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Within industrial control systems, the process of allocating memory or what is more commonly known as “assigning tags” is done without much fanfare and in most cases without much thought. However, understanding PLC or HMI tags usage will serve you well as you create your system recovery plans. Tags can be assigned as temporary program variables, recipe data, calibration and sensor spanning data as well as be used to store historical artifacts for product quality and genealogy.

A tag’s usage has a great impact on not only the running system but also plays a large role during system restore. In this discussion and demonstration, Jeff will walk through the importance of understanding the types of memory allocations within the PLC and HMI in support of creating a thorough recovery plan. We’ll also find out “what the PLC can’t get out of its memory”.

View upcoming Summits: http://www.sans.org/u/DuS

Download the presentation slides (SANS account required) at https://www.sans.org/u/1iaE



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